Government by the wealthy is known as

• A. plutocracy
• B. oligarchy
• C. aristocracy
• D. democracy

The right to govern and administer the affairs of the people of a country is ________

• A. power
• B. diplomacy
• C. authority
• D. influence

Which of the following sales promotional tools is aimed at the middleman?

• A. coupon
• B. sampling
• C. premium offers
• D. sales contests

The last military head of state in Nigeria is _____

• (A) Sanni Abacha
• (B) Ibrahim Babangida
• (C) Abubakar Abdulsalam
• (D) Murtala Muhammed

A Collection of software that allows the computer to operate is called?

• A. general-purpose software.
• B. utility software.
• C. operating system.
• D. specific software

State two advantages of using each of the following media of advertising:

(a)Newspaper

(b) Radio

(c) Television

(d )Posters

(e) Direct mail.

(a) What is a vector quantity?

(b) Three vectors 3 ms\(^{-1}\) N 45° W, 12 ms\(^{-1}\)W and 5 ms\(^{-1}\)S act at a point.

(i) Sketch a vector diagram to illustrate the given information.

(ii) Calculate the resultant of the vectors.

(c) In a laboratory experiment to determine the force constant of a spiral spring, the mass or, the spring was varied and the corresponding extensions were measured and recorded as shown in the table below.

(i) Copy and complete the table. (Take g = 10 ms\(^{-2}\))

(ii) Plot a graph with weight, W, on the vertical axis and extension, e, on the horizontal axis.

(iii) Using the graph, determine the force constant of the spring.

(iv) Determine the natural length of the spring if its length was 38.0 cm when loaded with 250 g mass.

If a share is quoted ex-div, it means the new buyer would

• A. get the next dividend
• B. not get the next dividend
• C. get a fixed dividend
• D. not get any dividend

The diagram below is an illustration of a mango leaf drawn by a student in a Biology test. The student failed the test. Study it and answer the question.

The likely reason why the student failed the test was that the

• A. labels were wrong and the guidelines were not touching the structures
• B. net venation shown were few, rough, not properly drawn and wrongly placed
• C. leaf venation should have been parallel and the midrib should be thicker
• D. leaf was too tapered at the apex, the leaf stalk was too short and the shape of leaf was wrong.

The pair of organic compounds that are isomers is

• A. Benzene and methylbenzene
• B. Trichloromethane and tetrachloromethane
• C. Ethanol and propane
• D. But-1-ene and but-2-ene